Tiêu chuẩn Quốc gia TCVN 12143:2017
Tiêu chuẩn Quốc gia TCVN 12143:2017 quy định phương pháp kiểm tra tính liên tục của các lớp phủ anốt hóa mỏng trên nhôm và các hợp kim nhôm bằng phép thử tiếp xúc với sunfat đồng. Mời các bạn cùng tham khảo.
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